* BS stands for Bachelor of Science. This is a general degree encompassing a wide range of scientific and technical fields, including biology, chemistry, computer science, engineering, and many others. The curriculum typically emphasizes scientific principles, quantitative analysis, and laboratory work.
* BSW stands for Bachelor of Social Work. This is a specific degree focused on the profession of social work. The curriculum includes coursework in social policy, human behavior, social work practice, ethics, and research methods, all geared towards preparing students for careers helping individuals, families, and communities address social and personal problems.
In short, a BS is a broad category, while a BSW is a specific type of bachelor's degree within that broader category.